import java.util.Scanner;
public class Main {
	public enum Grade {
	A, B, C, D, E;
     }
	public static Grade getGrade(int score)
	{
		if(score>=90&&score<=100)return Grade.A;
		else if(score>=80&&score<90)return Grade.B;
		else if(score>=70&&score<80)return Grade.C;
		else if(score>=60&&score<70)return Grade.D;
		else return Grade.E;
		
	}
	public static void printGradeInfo(Grade grade){
	       System.out.println("class name=class Grade");
	       System.out.println("grade value="+grade);
	}


	public static void main(String[] args) {
		Scanner input=new Scanner(System.in);
		while(input.hasNextInt()){
			int score=input.nextInt();
			switch(getGrade(score)){
			case A:System.out.println("Excellent");break;
			case B:System.out.println("Good");break;
			case C:System.out.println("Average");break;
			case D:System.out.println("Fair");break;
			case E:System.out.println("Poor");break;
			
			}
			printGradeInfo( getGrade(score));
		}

	}
	
}
